Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a rodada mais alta da University of Southern California?
 ###Tabelas: CREATE TABLE development_of_population (development_of_population_id AUTO_INCREMENT PRIMARY KEY, year INT, total INT, German VARCHAR, Romanian VARCHAR, Hungarian VARCHAR, other VARCHAR, of which Romanies (Gypsies) VARCHAR) CREATE TABLE june_secondary_phase (june_secondary_phase_id AUTO_INCREMENT PRIMARY KEY, Round INT, Name VARCHAR, Position VARCHAR, School VARCHAR, Signed VARCHAR) CREATE TABLE alloys_for_mechanical_composition (alloys_for_mechanical_composition_id AUTO_INCREMENT PRIMARY KEY, Usage VARCHAR, Sn/Sb (%) VARCHAR, Liquid at (°C) VARCHAR, Casting at (°C) VARCHAR, Remelting at (°C) VARCHAR, Hardness VARCHAR) CREATE TABLE table_of_standard_amino_acid_abbreviations_and_properties (table_of_standard_amino_acid_abbreviations_and_properties_id AUTO_INCREMENT PRIMARY KEY, Amino Acid VARCHAR, 3-Letter VARCHAR, 1-Letter VARCHAR, Side-chain polarity VARCHAR, Side-chain charge (pH 7.4) VARCHAR, Hydropathy index VARCHAR) CREATE TABLE quarterfinals_standing (quarterfinals_standing_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Team VARCHAR, Loss INT, Sets Won INT, Sets Lost INT, Percentage VARCHAR)  
SELECT MAX Round FROM june_secondary_phase WHERE School = university of southern california